@article{10_4064_ap_62_3_283_291,
     author = {Wenjie Gao and Junyu Wang},
     title = {On a nonlinear second order periodic boundaryvalue problem with {Carath\'eodory} functions},
     journal = {Annales Polonici Mathematici},
     pages = {283--291},
     publisher = {mathdoc},
     volume = {62},
     number = {3},
     year = {1995},
     doi = {10.4064/ap-62-3-283-291},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-62-3-283-291/}
}